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// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.cloudera.csd.descriptors;

import com.cloudera.csd.validation.references.annotations.Referencing;
import com.cloudera.csd.validation.references.annotations.ReferenceType;

import java.util.List;

import javax.validation.Valid;

import org.hibernate.validator.constraints.NotBlank;

/** 
 * Descriptor to specify the first run workflow of the service.
 * Contains the sequence of commands to run before and after
 * the first time the service is started. Only service commands
 * are allowed in initialization.
 */
public interface ServiceInitDescriptor {

  public interface ServiceInitStep {
    
    @NotBlank
    @Referencing(type = ReferenceType.SERVICE_COMMAND)
    String getCommandName();

    boolean isFailureAllowed();
  }

  @Valid
  List<ServiceInitStep> getPreStartSteps();

  @Valid
  List<ServiceInitStep> getPostStartSteps();
}
